In Exercises 8588, consider independent trials of an
Chapter , Problem 8.5.85(choose chapter or problem)
In Exercises 8588, consider independent trials of an experiment in which each trial has two possible outcomes: success or failure. The probability of a success on each trial is and the probability of a failure is In this context, the term in the expansion of gives the probability of successes in the trials of the experiment. You toss a fair coin seven times. To find the probabilityof obtaining four heads, evaluate the termin the expansion of 2 127
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